Year	current US$
1992	14100000
1993	14900000
1994	38400000
1995	52000000
1996	77200000
1997	38800000
1998	41900000
1999	54202170
2000	59617900
2001	52346450
2002	69656040
2003	56198080
2004	56246790
2005	128490500
2006	120240500
2007	118396500
2008	170627500
2009	159287131.884636
2010	163000010.026649
2011	192436819.101186
2012	265124288.352564
2013	297255644.815401
2014	359610112.126491
2015	314340835.238975
2016	356857492.012196
2017	324477385.964618
2018	309802626.755738
2019	279024939.883376
2020	226459074.65167
2021	259244148.765836
2022	302336225.903684